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Stellite 3
Complete Technical Data Sheet for Stellite 3 Chemical Composition Mechanical Properties Physical Properties International Standards & Grade Equivalents Applications of Stellite 3 Stellite 3 corrosion resistance: Use in Valve Seats Stellite 3 is a cobalt-based alloy that is highly valued in the aerospace and automotive industries for its exceptional resistance to wear and corrosion, particularly […]
Description
Four Product Forms of Stellite 3
Stellite 3 Plates
Provide excellent surface protection; often used in hard-facing applications where abrasion and corrosion resistance are critical.
Stellite 3 Bars/Rods
Favored for their structural integrity in high-stress environments.
Stellite 3 Tubes
Offer superior thermal and corrosion resistance, ideal for fluid transport in harsh conditions.
Stellite 3 Wire
Commonly applied in welding and additive manufacturing, ensuring robust, wear-resistant coatings and components.
Complete Technical Data Sheet for Stellite 3
| Element | Percentage (%) |
|---|---|
| C (Carbon) | 1.0 – 2.5 |
| Cr (Chromium) | 28.0 – 32.0 |
| W (Tungsten) | 3.5 – 5.5 |
| Co (Cobalt) | Balance |
| Ni (Nickel) | Max 3.0 |
| Fe (Iron) | Max 3.0 |
| Si (Silicon) | Max 1.2 |
| Mn (Manganese) | Max 1.0 |
| Mo (Molybdenum) | Max 1.5 |
| Others | Trace Elements |
| Property | Value |
|---|---|
| Hardness (as cast) | 50 – 58 HRC |
| Ultimate Tensile Strength | Approx. 900 MPa |
| Yield Strength | Approx. 300 – 400 MPa |
| Elongation | 1 – 3% |
| Impact Resistance | Moderate |
| Wear Resistance | Excellent |
| Creep Resistance | High |
| Fatigue Strength | 525 – 600 MPa |
| Fracture Toughness | Good |
| Thermal Stability | Exceptional |
| Property | Value |
|---|---|
| Density | 8.4 – 8.7 g/cm³ |
| Melting Range | 1250 – 1350°C |
| Thermal Conductivity | 10 – 14 W/m·K |
| Specific Heat Capacity | Approx. 400 J/kg·K |
| Electrical Conductivity | Low |
| Magnetic Properties | Non-magnetic |
| Oxidation Resistance | Excellent at High Temperatures |
| Coefficient of Expansion | 13.5 µm/m·°C (20–1000°C) |
| Corrosion Resistance | Outstanding |
| Surface Finish Capability | High Polish |
| Standard/Organization | Stellite 3 Equivalent Grade |
|---|---|
| ASTM | UNS R30003 |
| ISO | Apr-32 |
| DIN | 2.4777 |
| BS | CoCr-W Alloy |
| JIS | SUS Co-based Alloy |
| EN | Stellite Alloy Grade 3 |
| AISI | Custom Grade |
| EU | High-Wear Alloy Type 3 |
| Aerospace Standards | AMS 5386 |
| Proprietary Grades | Dependent on Manufacturer |
Explore different Stellite 3 properties
Mechanical Properties of Stellite 3
Stellite 3 is a cobalt-based alloy known for its mechanical properties, featuring a tensile strength of 950 MPa and a yield strength of 600 MPa. It has a hardness of 55-60 HRC, excellent wear resistance, and stability at temperatures up to 850°C, with significant creep strength between 800-1000°C.
Physical Properties of Stellite 3
Stellite 3, with a density of 9.06 g/cm³, is thermally stable and suitable for high-stress environments. Its melting point of 1365°C allows it to withstand extreme temperatures. With a thermal conductivity of 12.3 W/(m·K) and an elastic modulus of 210 GPa, it offers durability and resistance to deformation.
Stellite 3 Comparison with Stellite 6
Stellite 3 provides superior wear resistance compared to Stellite 6, making it ideal for extreme abrasion and high temperatures. Its high carbon content enhances durability but complicates machining. Nonetheless, its erosion resistance and longevity make Stellite 3 valuable in high-performance applications.
Applications of Stellite 3
Stellite 3 corrosion resistance: Use in Valve Seats
Stellite 3 is a cobalt-based alloy that is highly valued in the aerospace and automotive industries for its exceptional resistance to wear and corrosion, particularly in critical components like valve seats. In the aerospace sector, valve seats made from Stellite 3 ensure reliability and longevity in turbine engines and exhaust nozzles, where thermal stability and wear resistance are paramount. Similarly, in high-performance automotive engines, Stellite 3 is applied to exhaust valves, significantly improving thermal fatigue resistance and mechanical wear. This alloy’s unique composition, featuring elements like cobalt, chromium, and tungsten, provides the ideal combination of hardness and ductility necessary for these demanding applications.
Stellite 3 properties: Sliding Wear Resistance
Stellite 3 offers outstanding sliding wear resistance, making it an excellent choice for components exposed to severe abrasion and continuous mechanical stress. This alloy is particularly suited for cutting tools and valve seats, where retaining hardness and strength at high temperatures is critical. The cobalt-chromium matrix, enriched with tungsten and carbon, ensures that Stellite 3 maintains its structural integrity and performance under harsh conditions. Its high thermal stability and exceptional wear resistance make it indispensable in industries where components must endure prolonged exposure to high temperatures and abrasive environments.
Other Industrial Applications
Beyond aerospace and automotive, Stellite 3 finds widespread application in industries such as energy, oil and gas, and mining. The alloy’s remarkable ability to withstand severe abrasion and extreme thermal cycles makes it a preferred material for valve coatings and drill bit reinforcements. In the oil and gas industry, Stellite 3 ensures that critical components maintain their mechanical properties and corrosion resistance, even in the most challenging environments. Its use in mining equipment further underscores its value, providing reliable and durable solutions for machinery subjected to relentless wear and high temperatures.
What Our Clients Say
“Stellite 3 has exceeded expectations in high-temperature applications. Its durability and wear resistance are unmatched.”
Michael Carter
Mechanical Engineer
“Using Stellite 3 drastically improved equipment performance in abrasive conditions. Highly reliable and worth the investment!”
Sarah Thompson
Industrial Maintenance Specialist
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Frequently Asked Questions
What is Cobalt-Based Superalloy Stellite 3 commonly used for?
Stellite 3 is primarily used in applications that demand exceptional wear resistance, corrosion resistance, and high-temperature durability. It is often applied in industries such as aerospace, energy, and manufacturing for components like valve seats, cutting tools, and turbine blades.
How does Stellite 3 compare to other cobalt-based alloys?
Stellite 3 provides superior hardness and wear resistance compared to many other cobalt-based alloys. Its enhanced properties make it particularly suited for environments with intense abrasion and mechanical stress.
What are the key Stellite 3 properties that make it stand out?
Stellite 3 is known for its high hardness, excellent resistance to wear, and remarkable ability to perform under extreme temperatures and aggressive chemical exposure. These properties make it ideal for critical, high-performance applications.
Can Stellite 3 be customized to meet specific application requirements?
Yes, Stellite 3 can be tailored through various processing techniques to meet the specific mechanical and chemical requirements of a customer’s unique application. Our team specializes in developing custom solutions for diverse industrial needs.
Is Stellite 3 resistant to corrosion in harsh environments?
Stellite 3 exhibits outstanding corrosion resistance, making it a reliable choice for components exposed to chemical environments, seawater, or high humidity.
What manufacturing methods are used to produce Stellite 3 products?
Stellite 3 components are typically produced using methods such as casting, sintering, and additive manufacturing. These processes allow for precision engineering and durability.
Can your company provide machining and coating services for Stellite 3 components?
Yes, we offer end-to-end services, including the machining, customization, and surface coating of Stellite 3 components. Our team is equipped with state-of-the-art tools to deliver precision and efficiency.
Why choose your company for Stellite 3 products and services?
We provide high-quality Stellite 3 products with a commitment to precision and performance. Our expertise in material engineering and customer support ensures tailored solutions for every project, backed by reliable production and delivery timelines.
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